Now showing items 148-167 of 210

    • Real-Time Control of Etching Processes: Experimental Results 

      Higman, Ted K.; Berg, Jordan M.; Tannenbaum, Allen R. (Georgia Institute of TechnologyInternational Society for Optical Engineering, 1997-10-01)
      A unified approach to the modelling, simulation, and control of thin film processing is presented. The focus of this approach is to combine in-situ sensing with a model that deals directly with evolving surfaces. Using ...
    • Relevance Vector Machine Learning for Neonate Pain Intensity Assessment Using Digital Imaging 

      Gholami, Behnood; Haddad, Wassim M.; Tannenbaum, Allen R. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2010-06)
      Pain assessment in patients who are unable to verbally communicate is a challenging problem. The fundamental limitations in pain assessment in neonates stem from subjective assessment criteria, rather than quantifiable ...
    • Remarks on H∞ optimization multivariate distributed systems 

      Foias, Ciprian; Özbay, Hitay; Tannenbaum, Allen R. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 1988-12)
      The results of a study of H∞-optimization for multivariable distributed systems are summarized. A skew Toeplitz framework has been used. The problem has been reduced to finding the singular values of a certain operator ...
    • Robotic Manipulators and the Geometry of Real Semialgebraic Sets 

      Tannenbaum, Allen R.; Yomdin, Yoseph (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 1987-08-01)
      Some modern techniques are applied from real semialgebraic geometry to the robotic manipulator problem. In particular, using the notion of "metric entropy," the complexity of maneuvering the manipulator from state to state ...
    • Robust Control and Tracking 

      Tannenbaum, Allen R. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2000-12)
      Considers some problems in active vision for which techniques in robust control may be very relevant. In particular, we discuss eye tracking problems. We also survey some key ideas from active vision including optical flow ...
    • Robust control design for a flexible beam using a distributed-parameter H∞-method 

      Lenz, Kathryn; Özbay, Hitay; Tannenbaum, Allen R.; Turi, Janos; Morton, Blaise (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 1989-12)
      A skew Toeplitz theory is used to derive the H∞-optimal controller for a weighted mixed sensitivity design for a free-free Euler-Bernoulli beam. On the basis of the structure of the optimal controller, low-order, suboptimal, ...
    • Robust Control of Linear Time-Invariant Plants Using Periodic Compensation 

      Khargonekar, Pramod P.; Poolla, Kameshwar; Tannenbaum, Allen R. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 1985-11)
      This paper considers the use and design of linear periodic time-varying controllers for the feedback control of linear time-invariant discrete-time plants. We will show that for a large class of robustness problems, periodic ...
    • Robust optimization of distributed parameter systems 

      Tannenbaum, Allen R. (Georgia Institute of TechnologyInternational Society for Optical Engineering, 1995-02-27)
      In this paper, we discuss the use of new methods from robust control and especially H(infinity ) theory for the explicit construction optimal feedback compensators for several practical distributed parameter systems. Indeed, ...
    • Robust pharmacokinetic analysis for population studies in breast cancer detection using the Mohan-Shinagawa model 

      Mohan, Vandana; Shinagawa, Yoshihisa; Jian, Bing; Hermosillo Valadez, Gerardo (Georgia Institute of Technology, 2008-09-10)
      The pharmacokinetic (PK) analysis of breast MRI data using prior methods like the Tofts model-based approaches involved the estimation of the amount of contrast agent (CA) fed to the tissue, called the Arterial Input ...
    • Robust stabilization of systems with uncertain parameters 

      Khargonekar, Pramod P.; Tannenbaum, Allen R. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 1984-12)
      This paper considers, from a complex function theoretic point of view, certain robust synthesis problems. We consider both real and complex parameter variations. It is shown that several apparently different problems can ...
    • Segmentation of the Endocardial Wall of the Left Atrium using Local Region-Based Active Contours and Statistical Shape Learning 

      Gao, Yi; Gholami, Behnood; MacLeod, Robert S.; Blauer, Joshua; Haddad, Wassim M.; Tannenbaum, Allen R. (Georgia Institute of TechnologyInternational Society for Optical Engineering, 2010-02-14)
      Atrial fibrillation, a cardiac arrhythmia characterized by unsynchronized electrical activity in the atrial chambers of the heart, is a rapidly growing problem in modern societies. One treatment, referred to as catheter ...
    • Segmenting Images Analytically in Shape Space 

      Rathi, Yogesh; Dambreville, Samuel; Niethammer, Marc; Malcolm, James G.; Levitt, James; Tannenbaum, Allen R. (Georgia Institute of TechnologySociety of Photo-Optical Instrumentation Engineers, 2008-02)
      This paper presents a novel analytic technique to perform shape-driven segmentation. In our approach, shapes are represented using binary maps, and linear PCA is utilized to provide shape priors for segmentation. Intensity ...
    • Segmenting Images on the Tensor Manifold 

      Rathi, Yogesh; Tannenbaum, Allen R.; Michailovich, Oleg V. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2007-06)
      In this note, we propose a method to perform segmentation on the tensor manifold, that is, the space of positive definite matrices of given dimension. In this work, we explicitly use the Riemannian structure of the tensor ...
    • Shape-Based Approach to Robust Image Segmentation using Kernel PCA 

      Dambreville, Samuel; Rathi, Yogesh; Tannenbaum, Allen R. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2006-06)
      Segmentation involves separating an object from the background. In this work, we propose a novel segmentation method combining image information with prior shape knowledge, within the level-set framework. Following the ...
    • Single nucleotide RNA choreography 

      Hsiao, Chiaolong; Mohan, Srividya; Hershkovitz, Eli; Tannenbaum, Allen R.; Williams, Loren D. (Georgia Institute of TechnologyOxford University Press, 2006-03-10)
      New structural analysis methods, and a tree formalism re-define and expand the RNA motif concept, unifying what previously appeared to be disparate groups of structures. We find RNA tetraloops at high frequencies, in new ...
    • A Skew Toeplitz Approach to the H∞ -Optimal Control of Multivariable Distributed Systems 

      Özbay, Hitay; Tannenbaum, Allen R. (Georgia Institute of TechnologySociety for Industrial and Applied Mathematics, 1990-03)
      In this paper the problem of the H∞ optimization of multivariable distributed systems in the four block setting is studied. This work is based on several previous papers and employs the skew Toeplitz framework developed ...
    • Skew Toeplitz theory and pseudorational transfer functions 

      Yamamoto, Yutaka; Tannenbaum, Allen R. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 1994-12)
      A state space version of the skew Toeplitz theory for (distributed) H∞ optimization theory is presented. The approach combines this theory with the realization theory for pseudo-rational transfer functions.
    • Soft Architecture: Ambient Responsive Media for Collective and Parallel Play 

      Serita, Yoichiro; Zamani, Pegah; Nain, Delphine; Xin Wei, Sha (Georgia Institute of Technology, 2003-10)
      We describe a prototype testbed for responsive environments built for free, improvisatory play. The demonstration installations are built using elements of the next generation of the media choreography system built for ...
    • Soft Plaque Detection and Automatic Vessel Segmentation 

      Lankton, Shawn; Stillman, Arthur; Raggi, Paolo; Tannenbaum, Allen R. (Georgia Institute of Technology, 2009-09-20)
      The ability to detect and measure non-calcified plaques (also known as soft plaques) may improve physicians’ ability to predict cardiac events. This is a particularly challenging problem in computed tomography angiography ...
    • A solution to the standard H∞ problem for multivariable distributed systems 

      Özbay, Hitay; Tannenbaum, Allen R. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 1989-12)
      The authors summarize the results of previous work in which they studied the problem of the H∞ optimal control of multivariable distributed systems in the four-block setting. The skew Toeplitz framework is employed.